<template>
  <el-container class="home-container">
<!--    头部区域-->
    <el-header>
       <div>
<!--         <img src="../assets/heima.png" alt="">-->
         <span>校园商铺管理系统</span>
       </div>
       <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!--      页面主题区域-->
    <el-container>
<!--侧边栏-->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollepse">|||</div>
<!--        侧边栏菜单区域-->
        <el-menu  background-color="#333744" text-color="#fff" active-text-color="#409EFF" :unique-opened="true"
                  :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
<!--          一级菜单-->
          <el-submenu :index="item.roleId + ''" v-for="item in menulist" :key="item.roleId">
<!--            一级菜单的模板区域-->
            <template slot="title">
<!--              图标-->
              <i :class="item.roleBase01"></i>
<!--              文本-->
              <span>{{item.roleName}}</span>
            </template>
<!--            二级菜单-->
            <el-menu-item :index="subitem.rolePath" v-for="subitem in item.spRoles" :key="subitem.roleId" @click="saveNavState(subitem.rolePath)">
              <template slot="title">
                <!--              图标-->
                <i class="el-icon-menu"></i>
                <!--              文本-->
                <span>{{subitem.roleName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
<!--      右侧内容-->
      <el-main>
<!--        路由占位符-->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data () {
    return {
      //  左侧菜单数据
      menulist: [],
      iconObj: {
        10001: 'iconfont icon-users',
        10003: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao'
      },
      isCollapse: false,
      //  被激活的链接地址
      activePath: ''
    }
  },
  // 是否折叠
  created () {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    // 获取所有菜单
    async getMenuList () {
      const { data: res } = await this.$http.get('getMenus')
      if (res.status !== 200) return this.$message.error(res.msg)
      this.menulist = res.data
    },
    // 点击按钮，切换菜单的折叠与展开
    toggleCollepse () {
      this.isCollapse = !this.isCollapse
    },
    // 保存连接的激活状态
    saveNavState (activePath) {
      window.sessionStorage.setItem('activePath', activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang="less" scoped>
  .home-container{
    height: 100%;
  }
  .el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #ffffff;
    font-size: 20px;
    > div{
      display: flex;
      align-items: center;
    }
    span{
      margin-left: 15px;
    }
  }
  .el-aside{
    background-color: #333744;
    .el-menu{
      border-right: none;
    }
  }
  .el-main{
    background-color: #eaedf1;
  }
  .iconfont{
    margin-right: 10px;
  }
  .toggle-button{
    background-color: #5A5064;
    font-size: 10px;
    line-height: 24px;
    color: #ffffff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
  }
</style>
